Finding the Fourth Proportional to 326,863.68, 489,841.92 and 148,935.84
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Solution
The fourth proportional to 326,863.68, 489,841.92 and 148,935.84 is: 223,197.08
Step by Step Solution
- Step 1: Write the proportion equation
326,863.68 : 489,841.92 = 148,935.84 : x - Step 2: Convert to fraction form
326,863.68/489,841.92 = 148,935.84/x - Step 3: Cross multiply
326,863.68x = 489,841.92 × 148,935.84 - Step 4: Simplify right side
326,863.68x = 72,955,017,822.41 - Step 5: Solve for x
x = 72,955,017,822.41/326,863.68 - Step 6: Final answer
x = 223,197.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.